The confluence of sinuses or torcular herophili is the connecting point of the superior sagittal sinus, straight sinus, and occipital sinus. It is found beneath the occipital protuberance of the skull. Blood arriving at this point then proceeds to drain into the right and left transverse sinuses. Interestingly, often times the superior sagittal sinus drains into (either exclusively or predominantly) one transverse sinus, and the occipital sinus drains into the other.
An older term often used for the confluence of sinuses "torcular herophili", describes the veins as a gutter, or canal, and honors Herophilos, the Greek anatomist who was the first to use cadavers for the systematic study of anatomy. This term more precisely refers to the concavity in the bone which is the location of the confluence of sinuses[1]
External links
References
- ^ Tubbs, R.S. Neuroanatomy, 2002:1, 14
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